Finding the Fourth Proportional to 21,910.05, 32,869.71 and 7,117.83

Step by Step Solution

1. Step 1: Write the proportion equation
   21,910.05 : 32,869.71 = 7,117.83 : x
2. Step 2: Convert to fraction form
   21,910.05/32,869.71 = 7,117.83/x
3. Step 3: Cross multiply
   21,910.05x = 32,869.71 × 7,117.83
4. Step 4: Simplify right side
   21,910.05x = 233,961,007.93
5. Step 5: Solve for x
   x = 233,961,007.93/21,910.05
6. Step 6: Final answer
   x = 10,678.25